1809315248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{1013}}^1$

素因数の和:1342

約数の個数: 80

約数和(自身を含む): 3914916096

約数和(自身を除く): 2105600848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 277, 403, 496, 554, 806, 1013, 1108, 1612, 2026, 2216, 3224, 3601, 4052, 4432, 6448, 7202, 8104, 8587, 13169, 14404, 16208, 17174, 26338, 28808, 31403, 34348, 52676, 57616, 62806, 68696, 105352, 111631, 125612, 137392, 210704, 223262, 251224, 280601, 408239, 446524, 502448, 561202, 816478, 893048, 1122404, 1632956, 1786096, 2244808, 3265912, 3647813, 4489616, 6531824, 7295626, 8698631, 14591252, 17397262, 29182504, 34794524, 58365008, 69589048, 113082203, 139178096, 226164406, 452328812, 904657624, 1809315248]

約数ペア:

[(1, 1809315248), (2, 904657624), (4, 452328812), (8, 226164406), (13, 139178096), (16, 113082203), (26, 69589048), (31, 58365008), (52, 34794524), (62, 29182504), (104, 17397262), (124, 14591252), (208, 8698631), (248, 7295626), (277, 6531824), (403, 4489616), (496, 3647813), (554, 3265912), (806, 2244808), (1013, 1786096), (1108, 1632956), (1612, 1122404), (2026, 893048), (2216, 816478), (3224, 561202), (3601, 502448), (4052, 446524), (4432, 408239), (6448, 280601), (7202, 251224), (8104, 223262), (8587, 210704), (13169, 137392), (14404, 125612), (16208, 111631), (17174, 105352), (26338, 68696), (28808, 62806), (31403, 57616), (34348, 52676)]